1/*	$NetBSD: dst_test.c,v 1.2.6.1 2012/06/05 21:15:35 bouyer Exp $	*/
2
3/*
4 * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (C) 1999-2001  Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19
20/* Id: dst_test.c,v 1.46 2009/09/01 00:22:25 jinmei Exp  */
21
22#include <config.h>
23
24#include <stdlib.h>
25
26#include <unistd.h>		/* XXX */
27
28#include <isc/buffer.h>
29#include <isc/entropy.h>
30#include <isc/mem.h>
31#include <isc/region.h>
32#include <isc/string.h>		/* Required for HP/UX (and others?) */
33
34#include <dns/fixedname.h>
35#include <dns/name.h>
36#include <dns/result.h>
37
38#include <dst/dst.h>
39#include <dst/result.h>
40
41char *current;
42const char *tmp = "/tmp";
43
44static void
45use(dst_key_t *key, isc_mem_t *mctx) {
46	isc_result_t ret;
47	const char *data = "This is some data";
48	unsigned char sig[512];
49	isc_buffer_t databuf, sigbuf;
50	isc_region_t datareg, sigreg;
51	dst_context_t *ctx = NULL;
52
53	isc_buffer_init(&sigbuf, sig, sizeof(sig));
54	/*
55	 * Advance 1 byte for fun.
56	 */
57	isc_buffer_add(&sigbuf, 1);
58
59	isc_buffer_init(&databuf, data, strlen(data));
60	isc_buffer_add(&databuf, strlen(data));
61	isc_buffer_usedregion(&databuf, &datareg);
62
63	ret = dst_context_create(key, mctx, &ctx);
64	if (ret != ISC_R_SUCCESS) {
65		printf("contextcreate(%d) returned: %s\n", dst_key_alg(key),
66		       isc_result_totext(ret));
67		return;
68	}
69	ret = dst_context_adddata(ctx, &datareg);
70	if (ret != ISC_R_SUCCESS) {
71		printf("adddata(%d) returned: %s\n", dst_key_alg(key),
72		       isc_result_totext(ret));
73		dst_context_destroy(&ctx);
74		return;
75	}
76	ret = dst_context_sign(ctx, &sigbuf);
77	printf("sign(%d) returned: %s\n", dst_key_alg(key),
78	       isc_result_totext(ret));
79	dst_context_destroy(&ctx);
80
81	isc_buffer_forward(&sigbuf, 1);
82	isc_buffer_remainingregion(&sigbuf, &sigreg);
83	ret = dst_context_create(key, mctx, &ctx);
84	if (ret != ISC_R_SUCCESS) {
85		printf("contextcreate(%d) returned: %s\n", dst_key_alg(key),
86		       isc_result_totext(ret));
87		return;
88	}
89	ret = dst_context_adddata(ctx, &datareg);
90	if (ret != ISC_R_SUCCESS) {
91		printf("adddata(%d) returned: %s\n", dst_key_alg(key),
92		       isc_result_totext(ret));
93		dst_context_destroy(&ctx);
94		return;
95	}
96	ret = dst_context_verify(ctx, &sigreg);
97	printf("verify(%d) returned: %s\n", dst_key_alg(key),
98	       isc_result_totext(ret));
99	dst_context_destroy(&ctx);
100}
101
102static void
103dns(dst_key_t *key, isc_mem_t *mctx) {
104	unsigned char buffer1[2048];
105	unsigned char buffer2[2048];
106	isc_buffer_t buf1, buf2;
107	isc_region_t r1, r2;
108	dst_key_t *newkey = NULL;
109	isc_result_t ret;
110	isc_boolean_t match;
111
112	isc_buffer_init(&buf1, buffer1, sizeof(buffer1));
113	ret = dst_key_todns(key, &buf1);
114	printf("todns(%d) returned: %s\n", dst_key_alg(key),
115	       isc_result_totext(ret));
116	if (ret != ISC_R_SUCCESS)
117		return;
118	ret = dst_key_fromdns(dst_key_name(key), dns_rdataclass_in,
119			      &buf1, mctx, &newkey);
120	printf("fromdns(%d) returned: %s\n", dst_key_alg(key),
121	       isc_result_totext(ret));
122	if (ret != ISC_R_SUCCESS)
123		return;
124	isc_buffer_init(&buf2, buffer2, sizeof(buffer2));
125	ret = dst_key_todns(newkey, &buf2);
126	printf("todns2(%d) returned: %s\n", dst_key_alg(key),
127	       isc_result_totext(ret));
128	if (ret != ISC_R_SUCCESS)
129		return;
130	isc_buffer_usedregion(&buf1, &r1);
131	isc_buffer_usedregion(&buf2, &r2);
132	match = ISC_TF(r1.length == r2.length &&
133		       memcmp(r1.base, r2.base, r1.length) == 0);
134	printf("compare(%d): %s\n", dst_key_alg(key),
135	       match ? "true" : "false");
136	dst_key_free(&newkey);
137}
138
139static void
140io(dns_name_t *name, int id, int alg, int type, isc_mem_t *mctx) {
141	dst_key_t *key = NULL;
142	isc_result_t ret;
143
144	ret = dst_key_fromfile(name, id, alg, type, current, mctx, &key);
145	printf("read(%d) returned: %s\n", alg, isc_result_totext(ret));
146	if (ret != 0)
147		return;
148	ret = dst_key_tofile(key, type, tmp);
149	printf("write(%d) returned: %s\n", alg, isc_result_totext(ret));
150	if (ret != 0)
151		return;
152	use(key, mctx);
153	dns(key, mctx);
154	dst_key_free(&key);
155}
156
157static void
158dh(dns_name_t *name1, int id1, dns_name_t *name2, int id2, isc_mem_t *mctx) {
159	dst_key_t *key1 = NULL, *key2 = NULL;
160	isc_result_t ret;
161	isc_buffer_t b1, b2;
162	isc_region_t r1, r2;
163	unsigned char array1[1024], array2[1024];
164	int alg = DST_ALG_DH;
165	int type = DST_TYPE_PUBLIC|DST_TYPE_PRIVATE|DST_TYPE_KEY;
166
167	ret = dst_key_fromfile(name1, id1, alg, type, current, mctx, &key1);
168	printf("read(%d) returned: %s\n", alg, isc_result_totext(ret));
169	if (ret != 0)
170		return;
171	ret = dst_key_fromfile(name2, id2, alg, type, current, mctx, &key2);
172	printf("read(%d) returned: %s\n", alg, isc_result_totext(ret));
173	if (ret != 0)
174		return;
175
176	ret = dst_key_tofile(key1, type, tmp);
177	printf("write(%d) returned: %s\n", alg, isc_result_totext(ret));
178	if (ret != 0)
179		return;
180	ret = dst_key_tofile(key2, type, tmp);
181	printf("write(%d) returned: %s\n", alg, isc_result_totext(ret));
182	if (ret != 0)
183		return;
184
185	isc_buffer_init(&b1, array1, sizeof(array1));
186	ret = dst_key_computesecret(key1, key2, &b1);
187	printf("computesecret() returned: %s\n", isc_result_totext(ret));
188	if (ret != 0)
189		return;
190
191	isc_buffer_init(&b2, array2, sizeof(array2));
192	ret = dst_key_computesecret(key2, key1, &b2);
193	printf("computesecret() returned: %s\n", isc_result_totext(ret));
194	if (ret != 0)
195		return;
196
197	isc_buffer_usedregion(&b1, &r1);
198	isc_buffer_usedregion(&b2, &r2);
199
200	if (r1.length != r2.length || memcmp(r1.base, r2.base, r1.length) != 0)
201	{
202		int i;
203		printf("secrets don't match\n");
204		printf("secret 1: %d bytes\n", r1.length);
205		for (i = 0; i < (int) r1.length; i++)
206			printf("%02x ", r1.base[i]);
207		printf("\n");
208		printf("secret 2: %d bytes\n", r2.length);
209		for (i = 0; i < (int) r2.length; i++)
210			printf("%02x ", r2.base[i]);
211		printf("\n");
212	}
213	dst_key_free(&key1);
214	dst_key_free(&key2);
215}
216
217static void
218generate(int alg, isc_mem_t *mctx) {
219	isc_result_t ret;
220	dst_key_t *key = NULL;
221
222	ret = dst_key_generate(dns_rootname, alg, 512, 0, 0, 0,
223			       dns_rdataclass_in, mctx, &key);
224	printf("generate(%d) returned: %s\n", alg, isc_result_totext(ret));
225	if (ret != ISC_R_SUCCESS)
226		return;
227
228	if (alg != DST_ALG_DH)
229		use(key, mctx);
230
231	dst_key_free(&key);
232}
233
234int
235main(void) {
236	isc_mem_t *mctx = NULL;
237	isc_entropy_t *ectx = NULL;
238	isc_buffer_t b;
239	dns_fixedname_t fname;
240	dns_name_t *name;
241	isc_result_t result;
242
243	result = isc_mem_create(0, 0, &mctx);
244	if (result != ISC_R_SUCCESS)
245		return (1);
246
247	current = isc_mem_get(mctx, 256);
248	if (current == NULL)
249		return (1);
250	if (getcwd(current, 256) == NULL) {
251		perror("getcwd");
252		return (1);
253	}
254
255	dns_result_register();
256
257	result = isc_entropy_create(mctx, &ectx);
258	if (result != ISC_R_SUCCESS)
259		return (1);
260	result = isc_entropy_createfilesource(ectx, "randomfile");
261	if (result != ISC_R_SUCCESS)
262		return (1);
263	dst_lib_init(mctx, ectx, ISC_ENTROPY_BLOCKING|ISC_ENTROPY_GOODONLY);
264
265	dns_fixedname_init(&fname);
266	name = dns_fixedname_name(&fname);
267	isc_buffer_init(&b, "test.", 5);
268	isc_buffer_add(&b, 5);
269	result = dns_name_fromtext(name, &b, NULL, 0, NULL);
270	if (result != ISC_R_SUCCESS)
271		return (1);
272	io(name, 23616, DST_ALG_DSA, DST_TYPE_PRIVATE|DST_TYPE_PUBLIC, mctx);
273	io(name, 54622, DST_ALG_RSAMD5, DST_TYPE_PRIVATE|DST_TYPE_PUBLIC,
274	   mctx);
275
276	io(name, 49667, DST_ALG_DSA, DST_TYPE_PRIVATE|DST_TYPE_PUBLIC, mctx);
277	io(name, 2, DST_ALG_RSAMD5, DST_TYPE_PRIVATE|DST_TYPE_PUBLIC, mctx);
278
279	isc_buffer_init(&b, "dh.", 3);
280	isc_buffer_add(&b, 3);
281	result = dns_name_fromtext(name, &b, NULL, 0, NULL);
282	if (result != ISC_R_SUCCESS)
283		return (1);
284	dh(name, 18602, name, 48957, mctx);
285
286	generate(DST_ALG_RSAMD5, mctx);
287	generate(DST_ALG_DH, mctx);
288	generate(DST_ALG_DSA, mctx);
289	generate(DST_ALG_HMACMD5, mctx);
290
291	dst_lib_destroy();
292	isc_entropy_detach(&ectx);
293
294	isc_mem_put(mctx, current, 256);
295/*	isc_mem_stats(mctx, stdout);*/
296	isc_mem_destroy(&mctx);
297
298	return (0);
299}
300